During World War II, Josephine Baker served with the French Red Cross and was an active member of the French resistance movement. Using her career as a cover Baker became an intelligence agent, carrying secret messages written in invisible ink on her sheet music. She was awarded honor of the Croix de Guerre, and received a Medal of the Resistance in 1946.

Postcard photo of a WWI Scottish Regiment soldier no doubt taken for his family. Thousands of such photos were produced but regrettably few bear any identification. He is wearing a cover over the kilt.

During World War II, Russian soldiers were trained to dig their trenches narrow and deep so the weight of a tank or other vehicle passing over would not collapse the dirt in on them burying them alive ...